Shenzhen Hpmont Technology Co., Ltd. Chapter
7
Troubleshooting
HD09 Series User Manual V1.1
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23
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Fault
Fault reasons
Counter-measures
E0019 Motor
overload
•
Improper setting of V/f curve
•
Mains supply voltage is too low
•
Normal motor runs for a long
time with heavy load at low
speed
•
Motor runs with blocked torque
or load is too heavy
•
Adjust the setting of V/f curve
(F09.01 - F09.06)
•
Check the power input
•
Please use special motor
•
Please check the load and
mechanical transmission devices
E0021
Access fault of
Control board
EEPROM
•
Memory circuit fault of control
board EEPROM
•
Please contact the supplier for
repairing
E0024
Fault of external
equipment
•
Fault terminal of external
equipment operates
•
Please check external equipment
E0028
SCI communication
time-out
•
Connection fault of
Communication cable
•
Disconnected or not well
connected
•
Please check the connection
E0029
SCI communication
error
•
Connection fault of
Communication cable
•
Disconnected or not well
connected
•
Communication setting error
•
Communication data error
•
Please check the connection
•
Please check the connection
•
Please correctly set the
communication format (F17.00), and
the baud rate (F17.01)
Note:
If E0028 or E0029 are displayed on the keypad, there is no need to stop the inverter.